Family name Marchak (Marchak 
, Маршак 
) , around the globe, is quite a rare surname. The surname Marchak is characteristic of Belarus, where it is a rare surname, Russia, and Canada. Measured by absolute frequency, it most frequently occurs in Russia, the United States, and Argentina. Very seldom, Marchak is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Marchak | United States, Poland, Argentina, Canada, Brazil |
| Маршак | Kazakhstan, Russia, Kyrgyzstan, Belarus, Ukraine |
| m. patricia marchak (b. 1936) |
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| greg marchak Producer / studio technician at Audio Lab Studios in Tampa, Florida., US (b. 1961) |
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| jordan gilleland marchak researcher |
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| mandy marchak Canadian rugby union player, CA (b. 1984) |
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| oleh marchak (b. 1975) |
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| nathalie marchak FR (b. 1979) |
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| elizabeth marchak |
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